72999017

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{229}}^1$

素因数の和:393

約数の個数: 32

約数和(自身を含む): 93972480

約数和(自身を除く): 20973463

約数列:

[1, 7, 13, 31, 91, 113, 217, 229, 403, 791, 1469, 1603, 2821, 2977, 3503, 7099, 10283, 20839, 24521, 25877, 45539, 49693, 92287, 181139, 318773, 336401, 646009, 802187, 2354807, 5615309, 10428431, 72999017]

約数ペア:

[(1, 72999017), (7, 10428431), (13, 5615309), (31, 2354807), (91, 802187), (113, 646009), (217, 336401), (229, 318773), (403, 181139), (791, 92287), (1469, 49693), (1603, 45539), (2821, 25877), (2977, 24521), (3503, 20839), (7099, 10283)]